Create, Read, Update, Delete with sqlite3, Tutorial - Python SQLite part I , #34 скачать в хорошем качестве

Create, Read, Update, Delete with sqlite3, Tutorial - Python SQLite part I , #34

Learn Python SQLite! In this tutorial, you will learn how to use the built-in sqlite3 module to create databases, run SQL queries, and build a complete employee management system. What you will learn: Connecting to SQLite databases with sqlite3.connect() Creating tables with CREATE TABLE IF NOT EXISTS Inserting data with execute() and executemany() Fetching results with fetchall() and fetchone() Using ? placeholders to prevent SQL injection Context managers for safe database connections Row factory for dict-like column access WHERE, ORDER BY, LIMIT filtering and sorting UPDATE and DELETE with rowcount confirmation COUNT, AVG, MIN, MAX aggregate functions GROUP BY for category-level statistics Wrapping database operations in reusable functions Soft deletes with an active flag Timestamps: 0:00 - Introduction 0:33 - SQLite Basics Explained 1:00 - SQLite Basics Demo 3:45 - Queries & Updates Explained 4:12 - Queries & Updates Demo 8:12 - Employee Database Explained 8:39 - Employee Database Demo 13:31 - Recap 14:11 - End Source code: https://github.com/GoCelesteAI/python... Previous: Lesson 33 - Web Scraping Next: Lesson 35 - SQLAlchemy ORM Coming soon!